Let l be a line and P be a point not on l. Through P, draw a line m parallel to l. Now join P to any point Q on l. Choose any other point R on m. Through R, draw a line parallel to PQ. Let this meet l at S. What shape do the two sets of parallel lines enclose?

Chapter 10: Practical Geometry

NCERT solutions for Class 7 Mathematics Textbook chapter 10 (Practical Geometry) include all questions with solution and detail explanation.
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Concepts covered in Class 7 Mathematics Textbook chapter 10 Practical Geometry are Construction of a Line Parallel to a Given Line, Through a Point Not on the Line, Construction of Triangles, Constructing a Triangle When the Lengh of Its Sides Are Known (SSS Criterion), Constructing a Triangle When the Measures of Two of Its Angles and the Length of the Side Included Between Them is Given. (ASA Criterion), Constructing a Right-angled Triangle When the Length of One Leg and Its Hypotenuse Are Given (RHS Criterion), Constructing a Triangle When the Lengths of Two Sides and the Measure of the Angle Between Them Are Known. (Sas Criterion).

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